diff -r f507feede89a -r 09a1c134465b web/wp-includes/category-template.php
--- a/web/wp-includes/category-template.php	Wed Dec 19 12:35:13 2012 -0800
+++ b/web/wp-includes/category-template.php	Wed Dec 19 17:46:52 2012 -0800
@@ -41,7 +41,7 @@
  */
 function get_category_parents( $id, $link = false, $separator = '/', $nicename = false, $visited = array() ) {
 	$chain = '';
-	$parent = &get_category( $id );
+	$parent = get_category( $id );
 	if ( is_wp_error( $parent ) )
 		return $parent;
 
@@ -73,7 +73,7 @@
  */
 function get_the_category( $id = false ) {
 	$categories = get_the_terms( $id, 'category' );
-	if ( ! $categories )
+	if ( ! $categories || is_wp_error( $categories ) )
 		$categories = array();
 
 	$categories = array_values( $categories );
@@ -135,7 +135,7 @@
  */
 function get_the_category_by_ID( $cat_ID ) {
 	$cat_ID = (int) $cat_ID;
-	$category = &get_category( $cat_ID );
+	$category = get_category( $cat_ID );
 	if ( is_wp_error( $category ) )
 		return $category;
 	return $category->name;
@@ -1054,29 +1054,21 @@
  *
  * @since 2.5.0
  *
- * @param int $id Post ID.
+ * @param mixed $post Post ID or object.
  * @param string $taxonomy Taxonomy name.
  * @return array|bool False on failure. Array of term objects on success.
  */
-function get_the_terms( $id, $taxonomy ) {
-	global $post;
-
- 	$id = (int) $id;
+function get_the_terms( $post, $taxonomy ) {
+	if ( ! $post = get_post( $post ) )
+		return false;
 
-	if ( !$id ) {
-		if ( empty( $post->ID ) )
-			return false;
-		else
-			$id = (int) $post->ID;
+	$terms = get_object_term_cache( $post->ID, $taxonomy );
+	if ( false === $terms ) {
+		$terms = wp_get_object_terms( $post->ID, $taxonomy );
+		wp_cache_add($post->ID, $terms, $taxonomy . '_relationships');
 	}
 
-	$terms = get_object_term_cache( $id, $taxonomy );
-	if ( false === $terms ) {
-		$terms = wp_get_object_terms( $id, $taxonomy );
-		wp_cache_add($id, $terms, $taxonomy . '_relationships');
-	}
-
-	$terms = apply_filters( 'get_the_terms', $terms, $id, $taxonomy );
+	$terms = apply_filters( 'get_the_terms', $terms, $post->ID, $taxonomy );
 
 	if ( empty( $terms ) )
 		return false;